// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package cmplx

// Polar returns the absolute value r and phase θ of x,
// such that x = r * e**θi.
// The phase is in the range [-Pi, Pi].
func Polar(x complex128) (r, θ float64) {
	return Abs(x), Phase(x)

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package main

type (
	Point struct {
		x, y float64
	}
	Polar Point
)

func main() {
}

/*
bug7.go:5: addtyp: renaming Point to Polar
main.go.c:14: error: redefinition of typedef ‘_T_2’
main.go.c:13: error: previous declaration of ‘_T_2’ was here
main.go.c:16: error: redefinition of ‘struct _T_2’

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package cmplx

import "math"

// Rect returns the complex number x with polar coordinates r, θ.
func Rect(r, θ float64) complex128 {
	s, c := math.Sincos(θ)
	return complex(r*c, r*s)

	// Output: 5.0
}

// ExampleExp computes Euler's identity.
func ExampleExp() {
	fmt.Printf("%.1f", cmplx.Exp(1i*math.Pi)+1)
	// Output: (0.0+0.0i)
}

func ExamplePolar() {
	r, theta := cmplx.Polar(2i)
	fmt.Printf("r: %.1f, θ: %.1f*π", r, theta/math.Pi)
	// Output: r: 2.0, θ: 0.5*π

	for i := 0; i < len(vc); i++ {
		if r, theta := Polar(vc[i]); !veryclose(polar[i].r, r) && !veryclose(polar[i].theta, theta) {
			t.Errorf("Polar(%g) = %g, %g want %g, %g", vc[i], r, theta, polar[i].r, polar[i].theta)
		}
	}
	for i := 0; i < len(vcPolarSC); i++ {
		if r, theta := Polar(vcPolarSC[i]); !alike(polarSC[i].r, r) && !alike(polarSC[i].theta, theta) {

 *     .scheme("https")
 *     .host("www.google.com")
 *     .addPathSegment("search")
 *     .addQueryParameter("q", "polar bears")
 *     .build();
 * System.out.println(url);
 * ```
 *
 * which prints:
 *
 * ```
 * https://www.google.com/search?q=polar%20bears
 * ```
 *
 * As another example, this code prints the human-readable query parameters of a Twitter search:
 *
 * ```java

the identifier, it serves as an <i>alias</i> for the type.
</p>

<pre>
type (
	nodeList = []*Node  // nodeList and []*Node are identical types
	Polar    = polar    // Polar and polar denote identical types
)
</pre>


<h4 id="Type_definitions">Type definitions</h4>

<p>
A type definition creates a new, distinct type with the same

moi
na
nas
neste
nin
no
non
nos
nosa
nosas
noso
nosos
nós
nun
nunha
nuns
nunhas
o
os
ou
ó
ós
para
pero
pode
pois
pola
polas
polo
polos
por
que
se
senón
ser
seu
seus
sexa
sido
sobre
súa
súas
tamén
tan
te
ten
teñen
teño
ter
teu
teus
ti
tido

the identifier, it serves as an <i>alias</i> for the type.
</p>

<pre>
type (
	nodeList = []*Node  // nodeList and []*Node are identical types
	Polar    = polar    // Polar and polar denote identical types
)
</pre>


<h4 id="Type_definitions">Type definitions</h4>

<p>
A type definition creates a new, distinct type with the same

uetli:~/Source/go1/test/bugs gri$ 6g bug085.go
bug085.go:6: P: undefined
Bus error
*/

/* expected scope hierarchy (outermost to innermost)

universe scope (contains predeclared identifiers int, float32, int32, len, etc.)
"solar" scope (just holds the package name P so it can be found but doesn't conflict)
global scope (the package global scope)
local scopes (function scopes)